A state-of-the-art review on waste plastics-derived aviation fuel: Unveiling the heterogeneous catalytic systems and techno-economy feasibility of catalytic pyrolysis

Hussain, I.; Ganiyu, Saheed A.; Alasiri, Hassan; Alhooshani, Khalid

doi:10.1016/j.enconman.2022.116433

Cited by 36 publications

(14 citation statements)

References 241 publications

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“…Over the decades, significant progress has been made in developing pyrolysis technologies for commercial plants, primarily focused on uncontaminated plastics. Techno-economic assessments demonstrate the economic viability of producing commercial fuel from waste plastic pyrolysis. , High yield and quality of oils are usually associated with a higher income. However, impurities and contaminants pose challenges in industrial-scale applications. , Dehalogenation, in particular, is one of the major issues in large-scale pyrolysis plants.…”

Section: Challenges and Perspectivesmentioning

confidence: 99%

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Recent Advancements in Pyrolysis of Halogen-Containing Plastics for Resource Recovery and Halogen Upcycling: A State-of-the-Art Review

Ma,

Kumagai,

Saito

et al. 2024

Environ. Sci. Technol.

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Plastic waste has emerged as a serious issue due to its impact on environmental degradation and resource scarcity. Plastic recycling, especially of halogen-containing plastics, presents challenges due to potential secondary pollution and lower-value implementations. Chemical recycling via pyrolysis is the most versatile and robust approach for combating plastic waste. In this Review, we present recent advancements in halogen-plastic pyrolysis for resource utilization and the potential pathways from "reducing to recycling to upcycling" halogens. We emphasize the advanced management of halogen-plastics through copyrolysis with solid wastes (waste polymers, biomass, coal, etc.), which is an efficient method for dealing with mixed wastes to obtain high-value products while reducing undesirable substances. Innovations in catalyst design and reaction configurations for catalytic pyrolysis are comprehensively evaluated. In particular, a tandem catalysis system is a promising route for halogen removal and selective conversion of targeted products. Furthermore, we propose novel insights regarding the utilization and upcycling of halogens from halogen-plastics. This includes the preparation of halogen-based sorbents for elemental mercury removal, the halogenation−vaporization process for metal recovery, and the development of halogendoped functional materials for new materials and energy applications. The reutilization of halogens facilitates the upcycling of halogen-plastics, but many efforts are needed for mutually beneficial outcomes. Overall, future investigations in the development of copyrolysis and catalyst-driven technologies for upcycling halogen-plastics are highlighted.

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Section: Challenges and Perspectivesmentioning

confidence: 99%

“…Technoeconomic assessments demonstrate the economic viability of producing commercial fuel from waste plastic pyrolysis. 173,174 High yield and quality of oils are usually associated with a higher income. However, impurities and contaminants pose challenges in industrial-scale applications.…”

Section: Challenges and Perspectivesmentioning

confidence: 99%

Recent Advancements in Pyrolysis of Halogen-Containing Plastics for Resource Recovery and Halogen Upcycling: A State-of-the-Art Review

Ma,

Kumagai,

Saito

et al. 2024

Environ. Sci. Technol.

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“…[24] The primary goal of this work is to summarize the state of the art, in order to address researchers towards the development of a unique pyrolysis setup for the manufacture of high-value products from mixed plastic trash. In recent years, there has been a significant focus on research concerning the pyrolysis of waste plastic, and this technique has been used for a diverse array of polymers.. [17,21,[25][26][27][28][29][30][31][32] However, the studies have only focused on and assessed a single or two pyrolysis product, and there is inadequate information provided on the applications of value-added pyrolysis products. Furthermore, these reviews do not thoroughly investigate mechanistic studies.…”

Section: Introductionmentioning

confidence: 99%

“…In recent years, there has been a significant focus on research concerning the pyrolysis of waste plastic, and this technique has been used for a diverse array of polymers. [17,21,25–32] . However, the studies have only focused on and assessed a single or two pyrolysis product, and there is inadequate information provided on the applications of value‐added pyrolysis products.…”

Section: Introductionmentioning

confidence: 99%

Chemical Upcycling of Waste Plastics to High Value‐Added Products via Pyrolysis: Current Trends, Future Perspectives, and Techno‐Feasibility Analysis

Hussain

Aitani

Malaibari

et al. 2023

The Chemical Record

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Chemical upcycling of waste plastics into high‐value‐added products is one of the most effective, cost‐efficient, and environmentally beneficial solutions. Many studies have been published over the past few years on the topic of recycling plastics into usable materials through a process called catalytic pyrolysis. There is a significant research gap that must be bridged in order to use catalytic pyrolysis of waste plastics to produce high‐value products. This review focuses on the enhanced catalytic pyrolysis of waste plastics to produce jet fuel, diesel oil, lubricants, aromatic compounds, syngas, and other gases. Moreover, the reaction mechanism, a brief and critical comparison of different catalytic pyrolysis studies, as well as the techno‐feasibility analysis of waste plastic pyrolysis and the proposed catalytic plastic pyrolysis setup for commercialization is also covered.

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“…Nowadays, plastics are widely used in various fields, such as agriculture, industry, construction, packaging, cutting-edge defense industries and people’s daily lives [ 1 ]. The widespread use of plastics has caused irreversible harm to the environment on which people rely for survival [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

Characterization and Antibacterial Properties of Egg White Protein Films Loaded with ε-Polylysine: Evaluation of Their Degradability and Application

Niu

et al. 2023

Foods

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There is an ongoing trend to design new kinds of food packaging materials with excellent properties which are environmentally friendly enough. The aim of this study was to prepare and characterize egg white protein (EWP)-based composite films with and without ε-polylysine (Lys), as well as to compare their physical–chemical properties, structural properties, degradation and antibacterial properties. The results showed that with the addition of Lys, the composite films showed a decreasing tendency of the water permeability due to the enhanced interaction between proteins and water molecules. As indicated by the structural properties, stronger cross-linking and intermolecular interactions happened with increasing concentration of Lys. In addition, the composite films presented excellent antibacterial activities against Escherichia coli and Staphylococcus aureus on chilled pork in the presence of Lys. Therefore, our prepared films might be used as a freshness-keeping material with an application in meat preservation. The biodegradation evaluation demonstrated that the composite films were environmental-friendly and have potential applications in the field of food packaging.

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A state-of-the-art review on waste plastics-derived aviation fuel: Unveiling the heterogeneous catalytic systems and techno-economy feasibility of catalytic pyrolysis

Cited by 36 publications

References 241 publications

Recent Advancements in Pyrolysis of Halogen-Containing Plastics for Resource Recovery and Halogen Upcycling: A State-of-the-Art Review

Recent Advancements in Pyrolysis of Halogen-Containing Plastics for Resource Recovery and Halogen Upcycling: A State-of-the-Art Review

Chemical Upcycling of Waste Plastics to High Value‐Added Products via Pyrolysis: Current Trends, Future Perspectives, and Techno‐Feasibility Analysis

Characterization and Antibacterial Properties of Egg White Protein Films Loaded with ε-Polylysine: Evaluation of Their Degradability and Application

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